/* ===== 档位口径 / pricing ===== */

.page-pricing .pricing-cover {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-6) var(--space-8);
  background: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
  box-shadow: 0 var(--border-thick) 0 var(--color-line);
}

.page-pricing .pricing-cover__bars {
  position: absolute;
  inset: auto 0 0 0;
  width: 100%;
  height: 48%;
  pointer-events: none;
  z-index: 0;
  color: color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.page-pricing .pricing-cover__bars rect {
  fill: currentColor;
}

.page-pricing .pricing-cover__inner {
  position: relative;
  z-index: 1;
}

.page-pricing .pricing-cover__crumb {
  margin-bottom: var(--space-3);
  text-align: center;
}

.page-pricing .pricing-cover__kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-align: center;
  color: var(--color-accent);
}

.page-pricing .pricing-cover__title {
  margin: 0 auto var(--space-3);
  max-width: 15em;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  text-align: center;
  color: var(--color-ink);
}

.page-pricing .pricing-cover__lede {
  margin: 0 auto;
  max-width: 62ch;
  text-align: center;
  color: var(--color-ink-soft);
}

/* 封面下方：八格索引 + 反色档位面板 */
.page-pricing .pricing-cover__board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: var(--space-8);
  border: var(--border-thick) solid var(--color-ink);
  background: var(--color-surface);
  box-shadow: var(--border-thick) var(--border-thick) 0 var(--color-primary-soft);
}

.page-pricing .pricing-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-pricing .pricing-index__cell {
  display: block;
  padding: var(--space-3) var(--space-2);
  border-right: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
  text-decoration: none;
  color: var(--color-ink);
  transition: background-color 160ms ease, color 160ms ease;
}

.page-pricing .pricing-index__cell:last-child {
  border-bottom: 0;
}

.page-pricing .pricing-index__cell:hover,
.page-pricing .pricing-index__cell:focus-visible {
  background: var(--color-highlight);
}

.page-pricing .pricing-index__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-pricing .pricing-index__name {
  display: block;
  margin: 5px 0 8px;
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-ink);
}

.page-pricing .pricing-index__value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-accent);
}

.page-pricing .pricing-cover__panel {
  padding: var(--space-4) var(--space-3);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-pricing .pricing-cover__panel-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.2em;
  color: var(--color-contrast-accent);
}

.page-pricing .pricing-cover__tiers {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.page-pricing .pricing-cover__tier {
  display: grid;
  gap: 6px;
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-pricing .pricing-cover__tier:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-pricing .pricing-cover__tier-note {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

/* ===== 01 四类档位 ===== */
.page-pricing .pricing-tiers {
  background: var(--color-surface);
}

.page-pricing .pricing-tiers__intro {
  margin-top: var(--space-4);
  color: var(--color-ink-soft);
}

.page-pricing .pricing-tiers__banner {
  margin-top: var(--space-6);
  border: var(--border-thick) solid var(--color-primary);
  padding: var(--border-thick);
  background: var(--color-surface-alt);
}

.page-pricing .pricing-tiers__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.page-pricing .pricing-tier {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-pricing .pricing-tier__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-pricing .pricing-tier__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-pricing .pricing-tier__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-pricing .pricing-tier__count {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1;
  color: var(--color-accent);
  white-space: nowrap;
}

.page-pricing .pricing-tier__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: var(--border-thin) solid var(--color-line);
  filter: sepia(0.32) saturate(0.72) contrast(1.06);
}

.page-pricing .pricing-tier__list {
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.page-pricing .pricing-tier__list dt {
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.page-pricing .pricing-tier__list dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

/* ===== 02 八项业务的包含范围 ===== */
.page-pricing .pricing-biz-section {
  background: var(--color-surface-deep);
}

.page-pricing .pricing-biz-section__intro {
  margin-top: var(--space-4);
  color: var(--color-ink-soft);
}

.page-pricing .pricing-biz-list {
  margin-top: var(--space-6);
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-pricing .pricing-biz {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  scroll-margin-top: 96px;
  transition: background-color 200ms ease;
}

.page-pricing .pricing-biz:target {
  background: var(--color-highlight);
  box-shadow: inset var(--border-thick) 0 0 var(--color-accent);
}

.page-pricing .pricing-biz__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
}

.page-pricing .pricing-biz__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-accent);
}

.page-pricing .pricing-biz__title {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-pricing .pricing-biz__fields {
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.page-pricing .pricing-biz__fields dt {
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-pricing .pricing-biz__fields dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-pricing .pricing-biz__boundary {
  margin-top: var(--space-6);
  padding: var(--space-3) var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-left: var(--border-thick) solid var(--color-contrast-accent);
}

.page-pricing .pricing-biz__boundary-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.2em;
  color: var(--color-contrast-accent);
}

.page-pricing .pricing-biz__boundary-list {
  margin: 0 0 var(--space-2);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-pricing .pricing-biz__boundary-list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--text-base);
  line-height: 1.5;
}

.page-pricing .pricing-biz__boundary-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--color-contrast-accent);
}

.page-pricing .pricing-biz__boundary-note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-pricing .pricing-biz__boundary-note a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 03 三条选择建议 ===== */
.page-pricing .pricing-choose {
  background: var(--color-surface);
}

.page-pricing .pricing-choose__intro {
  margin-top: var(--space-4);
  color: var(--color-ink-soft);
}

.page-pricing .pricing-choose__intro a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-pricing .pricing-choose__list {
  counter-reset: pc;
  position: relative;
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-pricing .pricing-choose__item {
  counter-increment: pc;
  position: relative;
  padding: var(--space-4) 0 var(--space-4) var(--space-8);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-pricing .pricing-choose__item::before {
  content: counter(pc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-accent);
}

.page-pricing .pricing-choose__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-pricing .pricing-choose__desc {
  margin: 0 0 var(--space-2);
  max-width: 66ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-pricing .pricing-choose__fit {
  display: inline-block;
  margin: 0;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  background: var(--color-primary-soft);
  border: var(--border-thin) solid var(--color-line);
}

/* ===== 04 下一步 ===== */
.page-pricing .pricing-next {
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-pricing .pricing-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.page-pricing .pricing-next__card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thick) solid var(--color-ink);
  text-decoration: none;
  color: var(--color-ink);
  transition: background-color 180ms ease, transform 180ms ease;
}

.page-pricing .pricing-next__card:hover,
.page-pricing .pricing-next__card:focus-visible {
  background: var(--color-highlight);
}

.page-pricing .pricing-next__k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-accent);
}

.page-pricing .pricing-next__t {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-pricing .pricing-next__d {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-pricing .pricing-next__go {
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-pricing .pricing-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-pricing .pricing-index__cell:nth-child(4n) {
    border-right: 0;
  }

  .page-pricing .pricing-biz__fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }
}

@media (min-width: 800px) {
  .page-pricing .pricing-tiers__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-pricing .pricing-tier {
    padding: var(--space-4);
  }

  .page-pricing .pricing-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-pricing .pricing-cover {
    padding-block: var(--space-8) var(--section-y);
  }

  .page-pricing .pricing-cover__board {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-pricing .pricing-cover__panel {
    grid-column: 2 / 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-4);
    border-left: var(--border-thin) solid var(--color-contrast-line);
  }

  .page-pricing .pricing-biz {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: var(--space-6);
    align-items: start;
    padding-inline: 0;
  }

  .page-pricing .pricing-biz__head {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1100px) {
  .page-pricing .pricing-cover__title {
    max-width: 14em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-pricing .pricing-index__cell,
  .page-pricing .pricing-biz,
  .page-pricing .pricing-next__card {
    transition: none;
  }
}